function checkKeyWords(){
	if(document.getElementById("iptKeyWords").value.length == 0){
		alert("请输入您想查询的内容");
		return;
	}
	if(document.getElementById("sltPart").value=="route"){
		document.getElementById("frmSearch").action= document.getElementById("searchRoutesUrl").value;
		document.getElementById("frmSearch").submit();
	} else {
		document.getElementById("frmSearch").action = document.getElementById("searchScenicsUrl").value;
		document.getElementById("frmSearch").submit();
	}
	
}